Todd Aaron Armstrong

Armstrong, T. A., Cook, D. R., Ward, M. M., Williams, C. M., & Spears, J. W. (2004). Effect of dietary copper source (cupric citrate and,cupric sulfate) and concentration on growth performance and fecal copper excretion in weanling pigs. Journal of Animal Science, 82(4), 1234–1240. https://doi.org/10.1093/ansci/82.4.1234

Creech, B. L., Spears, J. W., Flowers, W. L., Hill, G. M., Lloyd, K. E., Armstrong, T. A., & Engle, T. E. (2004). Effect of dietary trace mineral concentration and source (inorganic vs. chelated) on performance, mineral status, and fecal mineral excretion in pigs from weaning through finishing. Journal of Animal Science, 82(7), 2140–2147. https://doi.org/10.2527/2004.8272140x

Armstrong, T. A., & Spears, J. W. (2003). Effect of boron supplementation of pig diets on the production of tumor necrosis factor-alpha and interferon-gamma. Journal of Animal Science, 81(10), 2552–2561. https://doi.org/10.2527/2003.81102552x

Armstrong, T. A., Flowers, W. L., Spears, J. W., & Nielsen, F. H. (2002). Long-term effects of boron supplementation on reproductive characteristics and bone mechanical properties in gilts. Journal of Animal Science, 80(1), 154–161. https://doi.org/10.2527/2002.801154x

Armstrong, T. A., & Spears, J. W. (2001). Effect of dietary boron on growth performance, calcium and phosphorus metabolism, and bone mechanical properties in growing barrows. Journal of Animal Science, 79(12), 3120–3127. https://doi.org/10.2527/2001.79123120x

Armstrong, T. A., Spears, J. W., Engle, T. E., & See, M. T. (2001). Effect of pharmacological concentrations of dietary copper on lipid and cholesterol metabolism in pigs. NUTRITION RESEARCH, 21(9), 1299–1308. https://doi.org/10.1016/s0271-5317(01)00332-3

Armstrong, T. A., Spears, J. W., & Lloyd, K. E. (2001). Inflammatory response, growth, and thyroid hormone concentrations are affected by long-term boron supplementationin gilts. Journal of Animal Science, 79(6), 1549–1556. https://doi.org/10.2527/2001.7961549x

Armstrong, T. A., Spears, J. W., Crenshaw, T. D., & Nielsen, F. H. (2000, October). Boron supplementation of a semipurified diet for weanling pigs improves feed efficiency and bone strength characteristics and alters plasma lipid metabolites. JOURNAL OF NUTRITION, Vol. 130, pp. 2575–2581. https://doi.org/10.1093/jn/130.10.2575

Armstrong, T. A., Spears, J. W., Heugten, E., Engle, T. E., & Wright, C. L. (2000). Effect of copper source (cupric citrate vs cupric sulfate) and level on growth performance and copper metabolism in pigs. ASIAN-AUSTRALASIAN JOURNAL OF ANIMAL SCIENCES, 13(8), 1154–1161. https://doi.org/10.5713/ajas.2000.1154

Engle, T. E., Spears, J. W., Armstrong, T. A., Wright, C. L., & Odle, J. (2000). Effects of dietary copper source and concentration on carcass characteristics and lipid and cholesterol metabolism in growing and finishing steers. Journal of Animal Science, 78(4), 1053–1059. https://doi.org/10.2527/2000.7841053x

Armstrong, T. A., Williams, C. M., Spears, J. W., & Schiffman, S. S. (2000). High dietary copper improves odor characteristics of swine waste. Journal of Animal Science, 78(4), 859. https://doi.org/10.2527/2000.784859x

Armstrong, T. A., Flowers, W. L., & Britt, J. (1999). Control of the weaning-to-estrus interval in sows using gonadotropins and prostaglandins during lactation. Journal of Animal Science, 77(9), 2533–2539. https://doi.org/10.2527/1999.7792533x